Bug#568309: starts but displays blank screen responds to ctrl alt f1

[Brice Goglin]

Ben Whyte wrote:
> Section "Device"
> 	Identifier	"Configured Video Device"
> 	Option		"UseFBDev"		"true"
>   

Why do you have FBDev here ? It's ignored according to the log.

> [  795.019218] [drm] Setting GART location based on new memory map
> [  795.019224] [drm] Can't use AGP base @0xf0000000, won't fit
> [  795.019284] [drm] Loading RV670 CP Microcode
> [  795.059544] [drm] Resetting GPU
> [  795.186801] [drm] writeback test failed
> [  807.512112] [drm] Resetting GPU
> [  867.789081] [drm] Module unloaded
>   

This might be related to your problem.

By the way, maybe you should try KMS, see
http://bgoglin.livejournal.com/19346.html to enable it.

Brice